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Lake at Saskatchewan Glacier
Lake at Saskatchewan Glacier
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Lake at Saskatchewan Glacier
Lake at Saskatchewan Glacier
Structural morphologies at Saskatchewan Glacier
Structural morphologies at Saskatchewan Glacier
Glacial outwash at Saskatchewan Glacier
Glacial outwash at Saskatchewan Glacier
Structural morphologies at Saskatchewan Glacier
Structural morphologies at Saskatchewan Glacier
Mudcracks
Mudcracks
Mudcracks
Glacial ice at Saskatchewan Glacier
Erosional formations at Saskatchewan Glacier
Glacial outwash at Saskatchewan Glacier
Glacial outwash at Saskatchewan Glacier
Mudcracks
Mudcracks
Erosional formations at Saskatchewan Glacier
Erosional formations at Saskatchewan Glacier
Glacial ice at Saskatchewan Glacier
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Lake at Saskatchewan Glacier
Large glaciers like Saskatchewan Glacier create depressions in the bedrock due to an added load. As the galcier retreats and melts, these depressions are filled with ice, glacial meltwater, and sediment, forming glacial lakes such as the one in image A. Images B and C depicts the the lake floor beginning to form mudcracks and is composed of fine sediment and sand. Mudcracks are sedimentary structures that form when mud undergoes drying and contracting due to interchanging wet and dry environments. Long dry periods cause fine clay materials to lose their moisture forming cracks, while wet seasons allow for sediment transport to infill the cracks before the mud is remoisturized and swells.
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Date
07/26/2017
Creator
Dolphin, Glenn
Digital Publisher
Calgary : University of Calgary
Location
Country
Canada
Municipality
Improvement District No. 9
How can you use this image?
Permitted uses are outlined in License and Usage Rights. Usage Restrictions can only be waived by the copyright holder. Add to cart and make a request if you have any questions.
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In Copyright
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Conditions of Use
https://libanswers.ucalgary.ca/faq/199047
License URL
https://creativecommons.org/licenses/by/4.0/
License
CC BY 4.0
Attribution
Attribution
Lake at Saskatchewan Glacier, 2017, (CU124094) by Dolphin, Glenn, is used under CC BY 4.0. Courtesy of Geoscience Images Collection, Libraries and Cultural Resources Digital Collections, University of Calgary.